1. University of California–Berkeley, Center for Environmental Research and Children’s Health, School of Public Health, Berkeley, California, USA
2. CHU Sainte-Justine Research Center and Université de Montréal, Department of Environmental and Occupational Health, Montreal, Quebec, Canada
3. Center for the Health Assessment of Mothers and Children of Salinas (CHAMACOS), Clinica de Salud del Valle de Salinas, Salinas, California, USA
4. Emory University, Rollins School of Public Health, Atlanta, Georgia, USA